OpenTechnical

OT-2026-000084056

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000084056) never changes.

Identity and time

Publication numberOT-2026-000084056 · never reused
Internal UUID01a0ae98-5b5e-741f-998e-88947b372f98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084056
StatusPUBLIC

Content hashes

Canonical text67ab7ced9f4d60c940278703f70bfdb4faaf432b03aaddac010f03c2c5ced69e
Markdown8bb09c40d96e92db1c6edbb67b7b0bbafde099ce313e2b09b76275a249edaa5a
PDF
Publication page4462bf2612b8ea6e19841e9391ed21b4a4be7a59a74d143a4641aacabbef66f5
Manifestacd9280e634ddb6ae6287b86aa7e1eac461ad0d619b021138f586e62fa75a15e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature3asXgVXd0rA8p7qPdxh20V78tRsGu/HGEkdWjLKHaeWofjMnoXgQ4zyzt2mz10NWKX01mBF/b41evFdO+ampBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:47.480599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084056
observed 4462bf2612b8ea6e19841e9391ed21b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.462498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084056/manifest.json
observed acd9280e634ddb6ae6287b86aa7e1eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.443301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084056/publication.md
observed 8bb09c40d96e92db1c6edbb67b7b0bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:47.427107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084056/publication.txt
observed 67ab7ced9f4d60c940278703f70bfdb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.